To play the trumpet well, a musician cannot let more than a few days pass without practicing. An athlete who does not run regularly will soon be out of shape, and will no longer enjoy running. Any manager knows that his company will start falling apart if his attention wanders. In each case, without concentration, a complex activity breaks down into chaos. Why should the family be different? Unconditional acceptance, the complete trust family members ought to have for one another, is meaningful only when it is accompanied by an unstinting investment of attention. Otherwise it is just an empty gesture, a hypocritical pretense indistinguishable from disinterest.